Attention: Starting December 14, 2019 Yahoo Groups will no longer host user created content on its sites. New content can no longer be uploaded after October 28, 2019. Sending/Receiving email functionality is not going away, you can continue to communicate via any email client with your group members. Learn More
Here is a link for info an to by tickets.
http://alexzjohnson.com/events
This time there is a VIP package. Unfortunately it doesn't enclude a ticket.